From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <linux-kernel-owner+w=401wt.eu-S1756236AbYIRMcT@vger.kernel.org>
Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand
	id S1756236AbYIRMcT (ORCPT <rfc822;w@1wt.eu>);
	Thu, 18 Sep 2008 08:32:19 -0400
Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752717AbYIRMcA
	(ORCPT <rfc822;linux-kernel-outgoing>);
	Thu, 18 Sep 2008 08:32:00 -0400
Received: from ecfrec.frec.bull.fr ([129.183.4.8]:60036 "EHLO
	ecfrec.frec.bull.fr" rhost-flags-OK-OK-OK-OK) by vger.kernel.org
	with ESMTP id S1753209AbYIRMb7 (ORCPT
	<rfc822;linux-kernel@vger.kernel.org>);
	Thu, 18 Sep 2008 08:31:59 -0400
Date: Thu, 18 Sep 2008 14:31:46 +0200
From: Sebastien Dugue <sebastien.dugue@bull.net>
To: Christoph Raisch <RAISCH@de.ibm.com>
Cc: Benjamin Herrenschmidt <bherren@au1.ibm.com>, gilles.carry@ext.bull.net,
       Jan-Bernd Themann <THEMANN@de.ibm.com>, jean-pierre.dion@bull.net,
       linux-kernel <linux-kernel@vger.kernel.org>,
       Linux-rt <linux-rt-users@vger.kernel.org>,
       linux-ppc <linuxppc-dev@ozlabs.org>, netdev@vger.kernel.org,
       Thomas Q Klein <TKLEIN@de.ibm.com>, tinytim@us.ibm.com,
       Hoang-Nam Nguyen <HNGUYEN@de.ibm.com>
Subject: Re: [PATCH HACK] powerpc: quick hack to get a functional eHEA with
 hardirq preemption, eHCA is close
Message-ID: <20080918143146.77db81d5@bull.net>
In-Reply-To: <OFD7842B7A.ADC47EED-ONC12574C8.003A2CB3-C12574C8.003AC948@de.ibm.com>
References: <20080915100406.342e027a@bull.net>
	<OF39C3BF0F.17B60FAA-ONC12574C8.002AE138-C12574C8.002B6422@de.ibm.com>
	<20080918112713.75872c95@bull.net>
	<OFD7842B7A.ADC47EED-ONC12574C8.003A2CB3-C12574C8.003AC948@de.ibm.com>
X-Mailer: Claws Mail 3.2.0 (GTK+ 2.12.2; i486-pc-linux-gnu)
Mime-Version: 1.0
Content-Type: text/plain; charset=US-ASCII
Content-Transfer-Encoding: 7bit
Sender: linux-kernel-owner@vger.kernel.org
List-ID: <linux-kernel.vger.kernel.org>
X-Mailing-List: linux-kernel@vger.kernel.org

On Thu, 18 Sep 2008 12:42:05 +0200 Christoph Raisch <RAISCH@de.ibm.com> wrote:

> 
> Sebastien Dugue <sebastien.dugue@bull.net> wrote on 18.09.2008 11:27:13:
> 
> >
> >   It would be really interresting to know if the eHCA exhibits the same
> > problem under -rt as it's the only other user of the ibmebus.
> > Unfortunately I don't have the hardware to test.
> >
> 
> eHCA is very close from the interrupt generation and handling perspective,
> so yes, could be an issue there as well.

  That's what I was speculating.

  Thanks,

  Sebastien.

> 
> 
> Gruss / Regards
> Christoph Raisch
> 
> 
>